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Date: Sun, 23 Mar 2014 20:47:59 +0100
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From: Gorka Guardiola <paurea@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] usb/serial control open
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>
> so if i do this
>
>         echo l7>/dev/eiaU6/eiaUctl
>         cat /dev/eiaU6/eiaUctl
>
> that's two opens, isn't it?  then isn't l reset to 8 by the second
> open?
>

It has been a while and I don=B4t have the code at hand now, but once
it is at a known state, it shouldn=B4t set it again, that is probably a bug=
.

It should be something like:

if(!setonce){
      setonce =3D 1;
      serialctl(p, "l8 i1");  /* default line parameters */
}

G.